Defensive publication

ABSTRACT

COMPRISES USING A DYESTUFF OF THE FORMULA   1,1,3-TRI(O=),2-((2-X,4-(R-N=N-),5-Y-PHENYL)-N(-R2)-R3-),   R4-2,3-DIHYDRO-1,2-BENZISOTHIAZOLE   WHEREIN R IS THE RESIDUE OF A DIAZOTIZABLE AMINE FREE FROM WATER SOLUBILIZING GROUPS, X IS HYDROGEN, ALKYL, ALKOXY OR HALOGEN; Y IS HYDROGEN, ALKYL, ALKOXY, HALOGEN OR ACYLAMINO AND R2 IS HYDROGEN OR ALKYL, HYDROXY ALKYL, CYANO ALKYL, ALKOXY ALKYL, ARYLOXY ALKYL, ACYLOXY ALKYL OR HALO ALKYL; R3 IS AN ALKYLENE AND R4 IS HYDROGEN, NITRO, HALOGEN OR -CH=CH-CH=CH-, THE FABRICS THUS DYED HAVE EXCELLENT FASTNESS PROPERTIES.

DEFENSIVE PULlCAllQN UNITED STATES PATENT OFFICE Published at the request of the applicant or owner in accordance with the Notice of Dec. 16, 1969, 869 0.G. 687. The abstracts of Defensive Publication applications are identified by distinctly numbered series and are arranged chronologically. The heading of each abstract indicates the number of pages of specification, including claims and sheets of drawings contained in the application as originally filed. The files of those applications are available to the public for inspection and reproduction may be purchased for 30 cents a sheet.

Defensive Publication applications have not been examined as to the merits of alleged invention. The Patent Ofiice makes no assertion as to the novelty of the disclosed subject matter.

PUBLISHED FEBRUARY 4, 1975 T931,001 PROCESS OF DYING USING MONOAZO DISPERSE DYES Abraham Reife, 60 Oakside Drive, Toms River, NJ. 06042, and Grady Malcolm ONeal, 188 Garfield Ave., Island Heights, NJ. 07904 Continuation of application Ser. No. 88,240, Nov. 9, 1970, which is a continuation-in-part of application Ser. No. 773,325, Nov. 4, 1968, both now abandoned. This application Jan. 16, 1973, Ser. No. 394,377

Int. Cl. D06p 3/82 US. Cl. 8--21 C No Drawing. 31 Pages Specification Improvement in dyeing permanent press fabrics which comprises using a dyestufi of the formula wherein R is the residue of a diazotizable amine free from water solubilizing groups, X is hydrogen, alkyl, alkoxy or halogen; Y is hydrogen, alkyl, alkoxy, halogen or acylamino and R is hydrogen or nlkyl, hydroxy alkyl, cyano alkyl, alkoxy alkyl, aryloxy alkyl, acyloxy alkyl or halo alkyl; R is an alkylene and R is hydrogen, nitro, halogen or -CH==CHCH=CH-. The fabrics thus dyed have excellent fastness properties. 

